YSI SonTek ADVField, Technical Documentation Manual

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SonTek/YSI
ADVField/Hydra Operation Manual (September 1, 2001) 35
3.7. Deployment Commands
Deployment commands affect the parameters used for
autonomous
deployment. These include:
•
Deployment name
•
Start date and time
•
Sampling rate (also a Setup command; §3.6)
•
Burst sampling parameters
•
Data recording options
Deployment commands are accessible only if the optional internal recorder has been installed.
Additionally, several of the deployment commands (sampling rate, burst interval, samples per
burst, and the data recording options) can have from one to three input parameters, depending on
the number of different burst types that will be recorded. See §1.3 for a description of the differ-
ent types of burst sampling supported by an autonomous ADVField system.
Deployment [name]
•
Default parameter:
DEF
•
Without parameter: returns its current setting.
•
When used with an ASCII string of no more than five characters (letters or numbers), sets
the deployment name to this string. This string determines the file name under which data is
stored to the internal recorder.
•
All data from a single
Deploy
command (§3.5) is stored in one file.
•
The file name on the recorder is the user-entered deployment name plus a 3-digit number in-
dicating the sequence of files under this name. For example, if the deployment name is
LAKE
, the data from the first
Deploy
command will be stored in a file named
LAKE001
. If
data collection is stopped and re-started without changing the deployment name, the num-
bers will increment (e.g.,
LAKE002
,
LAKE003
, etc).
•
Note:
Do not confuse this command with the
Deploy
command (§3.5).
Comments
•
This command lets you enter remarks that will be stored in the data file.
•
There are three comment lines, each with a maximum of 60 characters.
StartDate or SD [yy/mm/dd | yyyy/mm/dd]
•
Default parameter:
1995/01/01
(January 1, 1995)
•
Without parameter: returns the current deployment’s starting date.
•
When given with a date in a valid format, where yy=year (2 or 4 digits), mm=month (2 dig-
its), and dd=day (2 digits): sets the date on which autonomous data collection will begin.
•
If
StartDate
and
StartTime
are before the current date and time, data collection will begin
immediately following a 2-3 second delay for ADV initialization.
•
Example:
SD 2001/09/08
and
SD 01/09/08
are equivalent commands telling the ADV to
start data collection on September 8, 2001.
•
Note:
If the power supply is cycled while in deployment mode, the ADVField will automati-
cally enter deployment mode on power-up and ignore
StartDate
and
StartTime
. This is a
safety precaution to avoid data loss in the event of a real-time clock error during power-
down (see §3.1 for more details about ADV response when the supply power is changed).